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Medium White Mushrooms, 5 lb
In-store pricing snapshot
Based on recent checks across 6 Costco warehouses reporting.
* Prices shown are for Costco members only.
Fresh medium white button mushrooms in a 5-pound bulk box, pre-sliced for convenience. White button mushrooms are the most commonly consumed variety worldwide, prized for their mild, earthy flavor and versatile culinary applications. Ideal for sautéing, grilling, adding to soups, salads, stir-fries, pasta dishes, and pizza toppings. The sliced format saves prep time and ensures consistent cooking.
White mushrooms are exceptionally low in calories with only 22 calories per 100g, making them excellent for weight management. They are composed of approximately 93% water and provide 3.1g of protein per serving, offering all nine essential amino acids. These mushrooms are an outstanding source of B vitamins, particularly riboflavin (B2) at 22% daily value, niacin (B3) at 16% daily value, and pantothenic acid (B5) at 21% daily value per cup serving. They contain significant amounts of selenium (12% daily value) and copper (25% daily value), along with potassium (5% daily value) and phosphorus (5% daily value). White mushrooms are naturally very low in sodium, fat-free, and cholesterol-free.